Multimedia Gallery
Ernest L. Smith and navigator Emory B. Bronte of the first civilian flight from the U.S. mainland to the Hawaiian Islands.
Mechanic Ernesto Campanelli (left) and pilot Francesco de Pinedo at a stopover in Zamboanga, Philippines, August 19, 1925, during their flight from Rome, Italy, to Tokyo, Japan.
This illustration from 1766 depicts the improved escapement in Le Roy’s marine clock.
This represents the first demonstration of a tiny atomic clock.
Mathematician Bill Guier (left), APL Research Center director Frank T. McClure (center), and physicist George Weiffenbach (right).
This 1938 mechanical computer was a remarkable attempt to automate complex navigational processes.
This 1938 mechanical computer was a remarkable attempt to automate complex navigational processes.
Ferdinand Berthoud, a Swiss clockmaker serving the king of France, produced many marine clocks.
Pan American Airways navigator
